Empty month view 404 temp fix (TEC 3.0)

add_action('template_include', 'avoid_404_event_titles', 1);

function avoid_404_event_titles() {
    global $wp_query;

    if (property_exists($wp_query, 'tribe_is_event') && $wp_query->tribe_is_event && $wp_query->is_404)
        $wp_query->is_404 = false;
}